The number 70201
70201 is a twin prime (70199 and 70201 are both prime) and the 6958th prime number. Its only divisors are 1 and 70201.
Pick any whole number from 1 to 100,000.
How to work it out
- 1
What is special about 70201: a twin prime (70199 and 70201 are both prime); the 6958th prime number.
- 2
70201 is prime, so its only factors are 1 and 70201. It is the 6958th prime; the next prime is 70207 and the one before is 70199.
- 3
The divisors add up to 70202; without 70201 itself that is 1, so 70201 is deficient (1 is less than 70201). Euler's totient φ(70201) = 70200 numbers up to 70201 share no factor with it.
- 4
The digits of 70201 add up to 10, and repeating that until one digit is left gives the digital root 1. The Collatz sequence (halve if even, else 3n+1) takes 81 steps to reach 1.
70201 at a glance
| Property | Value |
|---|---|
| Type | prime |
| Number of divisors | 2 |
| Sum of divisors | 70202 |
| Euler totient φ(n) | 70200 |
| Square | 4928180401 |
| Cube | 345963192330601 |
| Square root | 264.954713 |
| Digit sum / digital root | 10 / 1 |
| Collatz steps to 1 | 81 |
| Scientific notation | 7.0201 × |
70201 in other forms
| Form | Value |
|---|---|
| In words | seventy thousand two hundred and one |
| Binary (base 2) | 10001001000111001 |
| Octal (base 8) | 211071 |
| Hexadecimal (base 16) | 11239 |
| Base 3 | 10120022001 |
| As time | 70201 seconds = 19 h 30 min 1 s |
Is 70201 divisible by 2 to 12?
| Divisor | Answer | Rule |
|---|---|---|
| 2 | No (remainder 1) | A number is divisible by 2 if the last digit is even (0, 2, 4, 6, 8). |
| 3 | No (remainder 1) | A number is divisible by 3 if the digits add up to a multiple of 3. |
| 4 | No (remainder 1) | A number is divisible by 4 if the last two digits make a multiple of 4. |
| 5 | No (remainder 1) | A number is divisible by 5 if the last digit is 0 or 5. |
| 6 | No (remainder 1) | A number is divisible by 6 if it is divisible by both 2 and 3. |
| 7 | No (remainder 5) | A number is divisible by 7 if double the last digit and subtract it from the rest: the result is a multiple of 7. |
| 8 | No (remainder 1) | A number is divisible by 8 if the last three digits make a multiple of 8. |
| 9 | No (remainder 1) | A number is divisible by 9 if the digits add up to a multiple of 9. |
| 10 | No (remainder 1) | A number is divisible by 10 if the last digit is 0. |
| 11 | No (remainder 10) | A number is divisible by 11 if the alternating sum of the digits is a multiple of 11. |
| 12 | No (remainder 1) | A number is divisible by 12 if it is divisible by both 3 and 4. |
Questions
Is 70201 a prime number?
Yes. 70201 is divisible only by 1 and itself.
What are the factors of 70201?
1, 70201.
What is 70201 in binary?
10001001000111001 (hexadecimal 11239, octal 211071).
What is the square root of 70201?
About 264.9547.
Is 70201 divisible by 3?
No. Its digits add up to 10, which is not a multiple of 3.
What is special about the number 70201?
70201 is a twin prime (70199 and 70201 are both prime); the 6958th prime number.